TY - RPRT TI - Using Flexible Execution, Replanning, and Model Parameter Updates to Address Environmental Uncertainty for a Planetary Lander AU - Chien, Steve A. AU - Basich, Connor AU - Russino, Joseph A. AU - Wang, Daniel PY - 2020 UR - https://ntrs.nasa.gov/citations/20220001526 ID - 20220001526 ER -